🔍 Key Findings
- Objective: Evaluate feasibility and accuracy of 3D-printed patient-specific drill guides for iliosacral screw placement in cadaver dogs.
- N = 10 canine cadavers (20 hemipelves); screw placement done using fluoroscopic-assisted patient-specific guides (PSG).
- Median cortical breach grade: 0 (IQR 0–1) for all screws.
19/20 screws breached sacral canal wall (all ≤ grade 2), but no screws breached canal contents (grade 3). - Median trajectory deviation: 0.88° transverse, 0.72° dorsal.
- Procedure time: Median 7.2 minutes for guide placement and drilling.
- Conclusions: PSG-assisted screw placement was safe, accurate, and fast, offering clinical potential in pelvic trauma.